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• W3131175752 startingPage "095002" @default.
• W3131175752 abstract "Consider the geometric inverse problem: There is a set of delta-sources in spacetime that emit waves travelling at unit speed. If we know all the arrival times at the boundary cylinder of the spacetime, can we reconstruct the space, a Riemannian manifold with boundary? With a finite set of sources we can only hope to get an approximate reconstruction, and we indeed provide a discrete metric approximation to the manifold with explicit data-driven error bounds when the manifold is simple. This is the geometrization of a seismological inverse problem where we measure the arrival times on the surface of waves from an unknown number of unknown interior microseismic events at unknown times. The closeness of two metric spaces with a marked boundary is measured by a labeled Gromov--Hausdorff distance. If measurements are done for infinite time and spatially dense sources, our construction produces the true Riemannian manifold and the finite-time approximations converge to it in the metric sense." @default.
• W3131175752 created "2021-03-01" @default.
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• W3131175752 date "2023-07-28" @default.
• W3131175752 modified "2023-09-26" @default.
• W3131175752 title "Stable reconstruction of simple Riemannian manifolds from unknown interior sources" @default.
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• W3131175752 doi "https://doi.org/10.1088/1361-6420/ace6c9" @default.
• W3131175752 hasPublicationYear "2023" @default.
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